It would be cool if #nostr clients would automatically put emoji over faces in pictures or let you do it manually. I currently use a third party app for this to cover my kids photos when posting something they are included in. I think it would be a killer feature and draw more privacy minded folks.

#asknostr nostr:npub12vkcxr0luzwp8e673v29eqjhrr7p9vqq8asav85swaepclllj09sylpugg nostr:npub18m76awca3y37hkvuneavuw6pjj4525fw90necxmadrvjg0sdy6qsngq955